WELL · 42-215-31897 · DISTRICT 4
Rio Grande Gas Unit II #4
Hidalgo County · San Salvador (7900) field · Vertical
Rio Grande Gas Unit II #4 (API 42-215-31897) is a plugged well in Hidalgo County, plugged August 15, 2012, last operated by Shell Western E&P Inc..
The RRC has issued 2 drilling permits (amended once) between 1989 and 1991, permitted to 9,200 ft.
It was permitted by Esenjay Petroleum Corp. and has since transferred to Shell Western E&P Inc. on the wellbore schedule.
Operator of record
Permitted by Esenjay Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Sep 16, 1999
- Permits on file
- 2,528
- Phone
- (281) 544-3215
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shell Western E&P Inc. |
| Production reports | Shell Western E&P Inc.through Mar 1997 |
| Latest permit | Esenjay Petroleum Corp.Jan 3, 1991 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,200
- total depth, ft
- 3
- permits on file
- Jan 3, 1991
- last permit issued
- May 4, 1990
- completed
- 0
- cumulative oil, bbl
- 685K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 4, 1990
- Shut in
- —
- Plugged
- Aug 15, 2012
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Rio Grande Gas Unit II G-4-135365 | San Salvador (Consolidated Frio) | Contract Energy, L.L.C. | 1 | 0 | 685K | Jan 1993 – Aug 2012 |
| Rio Grande Gas Unit II G-4-138333 | San Salvador (7900) | Shell Western E&P Inc. | 1 | 0 | 0 | Jan 1993 – Sep 1996 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Esenjay Petroleum Corp.Jan 1993 → Apr 1996
- 2Shell Western E&P Inc.May 1996 → Mar 1997
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 379455-99 | Other | Esenjay Petroleum Corp. | Oct 15, 1990 | Jan 3, 1991 | Nov 30, 1989 | 9,200 |
| 367101-98 | Drill | Esenjay Petroleum Corp. | Mar 1, 1990 | Nov 30, 1989 | — | 9,200 |
| 367101-99 | Drill | Esenjay Petroleum Corp. | Nov 30, 1989 | Nov 30, 1989 | — | 9,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-135365 | — | — | — | — |
| — | — G-4-138333 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,950 | 7,957 | Perforated |
| 8,428 | 8,463 | Perforated |
| 8,475 | 8,511 | Perforated |
| 8,653 | 8,656 | Perforated |
| 8,670 | 8,686 | Perforated |
| 8,690 | 8,693 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,850 | 14.75 | 1,070 S |
| 7.625 | 7,319 | 9.875 | 735 S |
| 7.625 | 8,756 | 9.875 | 735 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 13, 1998 | Feb 20, 1998 | — |
| 00 | Jul 1, 1991 | Oct 12, 1990 | Yes |
| 00 | Jun 12, 1991 | — | — |
| 00 | Sep 11, 1990 | Aug 8, 1990 | Yes |
| 00 | Aug 15, 1990 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-215-31897 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-31897 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/21531897, documented in the API reference.